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Car Parts STC958 GI14061722 Piston Ring for Land Rover Defender 300TDI
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The piston ring is a metal ring for inserting into the interior of the piston groove. The piston ring is divided into two types: compression ring and oil ring. The compression ring can be used to seal the combustible mixture in the combustion chamber; the oil ring is used to scrape excess oil from the cylinder.
The piston ring is a metal elastic ring with a large outwardly expanding deformation that is fitted into the section and its corresponding annular groove. The reciprocating and rotationally moving piston rings rely on the pressure difference of the gas or liquid to form a seal among the outer circumferential surface of the ring , the cylinder, one side of the ring and the annular groove.



Piston ring functions include sealing, adjusting oil (oil control), heat conduction (heat transfer), and guiding (support).
Material characteristics:
1, wear resistance
2, oil storage
3, hardness
4, corrosion resistance
5, strength
6, heat resistance
7, flexibility
8, cutting performance
Wear resistance and elasticity are the most important. The piston ring material of high-power diesel engine mainly includes gray cast iron, ductile iron, alloy cast iron and compacted graphite cast iron.

Product Name | Manufacture of OEM STC958 GI14061722 Piston Ring Fit for Land Rover Defender Parts |
OE Number | GI14061722 08-521800-20 |
| Part Number | GL0628 |
| Car Description | Land Rover Defender 300TDI STC958 |
| Fitting Position | Front |
| Characteristics | 1, wear resistance 2, oil storage 3, hardness 4, corrosion resistance 5, strength 6, heat resistance 7, flexibility 8, cutting performance |
| Surface treatment | 1.Nitrided ring: The hardness of the nitrided layer is above 950 HV, and the brittleness is grade 1, which has good wear resistance and corrosion resistance. 2.Chrome-plated ring: The chrome-plated layer is fine and smooth, with a hardness of 850 HV or higher. The wear resistance is very good. The criss-crossing micro-crack network facilitates the storage of lubricating oil. 3.Phosphating ring: By chemical treatment, a layer of phosphate film is formed on the surface of the piston ring, which can prevent rusting of the product and improve the initial running-in property of the ring. 4.Oxidation ring: Under the condition of high temperature and strong oxidant, an oxide film is formed on the surface of the steel material, which has corrosion resistance, reduced lubrication and good appearance. There are also PVD and so on. |
| OEM/ODM | Accepted |
| Product Fit | Direct Fit |
| Warranty | 24 Months |
| MOQ | 20 pcs |
| Packaging | Pallet + Carton |
| Delivery | 3~7 days for stock item, 15~35 days for mass production |




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